Oshiki Mamoru, Takahashi Kohei, Kawasaki Seiya, Choi Hyungmin, Park Jihye, Kim Kwiyong, Bae Hyokwan, Okabe Satoshi, Lee Changsoo
Division of Environmental Engineering, Faculty of Engineering, Hokkaido University.
JSPS Postdoctoral Fellow, Hokkaido University.
Microbes Environ. 2025;40(2). doi: 10.1264/jsme2.ME25001.
Microbial community structures in mesophilic and low-temperature anammox and partial nitrification-anammox reactors were exami-ned by a 16S rRNA-gene amplicon sequencing ana-lysis. The anammox bacterium, Jettenia sp., was dominant, and nitrifying bacteria, including Nitrosomonas sp. (aerobic ammonia-oxidizing bacterium) and Nitrospira sp., (nitrite-oxidizing bacterium) coexisted in the bioreactors. Core coexisting bacteria, such as Sulfurisoma sp. and Zeimonas sp., showed oxygen-scavenging and NO reduction potentials. Sulfurisoma-related bacteria are distributed across wastewater treatment plants worldwide, particularly in denitrification systems. These results underscore the ecological and functional importance of microbial consortia in enhancing nitrogen removal efficiency.
通过16S rRNA基因扩增子测序分析，研究了中温及低温厌氧氨氧化和部分硝化-厌氧氨氧化反应器中的微生物群落结构。厌氧氨氧化菌Jettenia sp.占主导地位，包括亚硝化单胞菌属（好氧氨氧化菌）和硝化螺菌属（亚硝酸盐氧化菌）在内的硝化细菌在生物反应器中共存。核心共存细菌，如硫杆菌属和泽氏菌属，表现出氧清除和NO还原潜力。与硫杆菌属相关的细菌分布在全球各地的污水处理厂，特别是在反硝化系统中。这些结果强调了微生物群落对提高脱氮效率的生态和功能重要性。
